Transforming Visions into Reality
Expand Your Home: Double Storey Rear Extensions!
Milton Keynes, Buckinghamshire, Hertfordshire, Bedfordshire, and Greater London
Expand Your Home: Double Storey Rear Extensions! 🏡
Maximise your living space and property value with a double-storey rear extension in the UK!
Why Build? The Benefits!
- Double the Space: Gain significant extra room on both ground and first floors.
- Cost-Effective per m²: Often more efficient per square metre than a single-storey build, as you only need one set of foundations and a single roof.
- Increased Property Value: Can add substantial value, often more than single-storey options.
- Enhanced Functionality: Create versatile spaces to accommodate growing family needs.
- Improved Aesthetics: Can enhance the external appeal of your home with a coherent design.
What Can You Create? Ideas for Your New Space!
- Spacious Open-Plan Kitchen/Diner & Living Area: Transform your ground floor into a large, social hub.
- Additional Bedroom(s): Ideal for growing families or guest accommodation.
- En-suite Bathroom or Dressing Room: Add luxury and convenience to an existing bedroom.
- Dedicated Home Office: A quiet space for work, away from the main living areas.
- Utility Room: Keep noisy appliances and laundry out of sight.
- Playroom: A dedicated area for children's activities.
Key Facts & Figures (UK Averages)
💰 Estimated Cost
- £1,400 - £2,400 per m² (excluding VAT, depending on location, complexity, and finish)
- For an average 35m² extension: Expect £49,000 - £84,000 (shell cost only).
- Remember to budget for professional fees (architect, structural engineer) and a 10-20% contingency!
📈 Value Added
- Can appreciate your property value in the range of 12% - 20%.
- Especially impactful when adding extra bedrooms or bathrooms.
📏 Average Added Space
- Adds new floor space to both the ground and first floor, effectively doubling the usable area compared to a single-storey footprint.
- Dimensions depend on Permitted Development rights and planning permission, considering proximity to boundaries and existing structure.
🗓️ Planning Permission
- Often Required: Double-storey extensions more frequently require full planning permission due to their size and impact.
- Full Planning Application: Typically takes 8-10 weeks for a decision.
- Overall Project Timeline (Design to Completion): Can range from 9-15 months or more, depending on complexity and approvals.
Ready to double your space and enhance your home's value? Consult with local architects and builders to bring your vision to life!
Visualise Your Dream Annex!
External View
Internal View
UK Double-Storey Rear Extension Guide!
Get a free quote
WhatsApp: +44 74040 86195
E-mail: contact@al-haitham.co.uk
Address: Office F7, Gloucester House, 399 Silbury Blvd, Milton Keynes MK9 2AH